基于中心复合设计法的激光透射连接FRPA材料实验研究

蒋涛; 刘会霞; 李品; 严长; 薛国春; 高阳阳; 王霄

doi:doi:10.3788/aos201333.s114017

光学学报, 2013, 33 (s1): s114017, 网络出版: 2013-06-07

基于中心复合设计法的激光透射连接FRPA材料实验研究

Application of a Central Composite Design for Experimental Research on Laser Transmission Joining Process of FRPA

论文大纲

蒋涛 ^*刘会霞李品严长薛国春高阳阳王霄

作者单位

江苏大学机械工程学院, 江苏镇江 212013

摘要

激光透射连接纤维增强尼龙（FRPA）材料在工业应用中具有良好的应用前景。基于旋转中心复合设计法的实验规划，采用半导体连续激光器对激光透射连接FRPA材料进行了实验，并对连接剪切强度和焊缝宽度进行测量。焊缝横截面显微观测表明，试样连接区域结合良好。通过实验数据处理，得到并分析了工艺参数对连接质量的影响。运用响应曲面法建立了工艺参数与连接剪切强度和焊缝宽度的关系模型。结果表明，激光透射连接工艺参数对连接质量具有决定性的影响；响应曲面所建立数学模型的预测结果与实验的实际结果取得了较好的一致性。这可为激光透射连接选取适当的工艺参数以提高加工效率提供有效的指导。

Abstract

Laser transmission joining of fiber reinforced polyamides (FRPA) has potential application in industry. Based on a central composite rotatable design, comprehensive experiments of laser transmission joining of FRPA are carried out by a diode continuous laser source. The microscopic cross-section observation shows that the joining area is good. The effect of process parameters on the joint quality is analyzed by processing of the experimental data. Finally, mathematical models between the process parameters, the lap-shear strength and the joint width are determined by response surface methodology. The results show that the process parameters of laser transmission welding play a significant role in determining the joint quality; and the predicted data of the models are in good agreement with the experimental results. So this study could provide an effective instruction to choose the reasonable process parameters for enhancing the joining efficiency.

参考文献

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蒋涛, 刘会霞, 李品, 严长, 薛国春, 高阳阳, 王霄. 基于中心复合设计法的激光透射连接FRPA材料实验研究[J]. 光学学报, 2013, 33(s1): s114017. Jiang Tao, Liu Huixia, Li Pin, Yan Zhang, Xue Guochun, Gao Yangyang, Wang Xiao. Application of a Central Composite Design for Experimental Research on Laser Transmission Joining Process of FRPA[J]. Acta Optica Sinica, 2013, 33(s1): s114017.

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